Retusa biforis Pilsbry & Johnson, 1917 Figure 5 E–F

Retusa biforis Pilsbry & Johnson, 1917: 151

Type locality.

Dominican Republic. Type stratum: "Santo Domingan Beds" (either Cercado or Gurabo Formations); age: Miocene/Pliocene.

Type material.

Holotype, ANSP IP3192 (as “type” in Richards 1968: 106).

Current taxonomic status.

Retusa biforis Pilsbry & Johnson, 1917 (Pilsbry 1922).